Door Lock Manual Switch (Passenger's Side): Celica

Locate door lock manual switch in door. Disconnect 4-pin connector. Ensure continuity exists between switch terminals No. 3 (Blue/Black wire) and No. 4 (White/Black wire) with switch in LOCK position. Ensure continuity exists between switch terminals No. 2 (Blue wire) and No. 4 (White/Black wire) with switch in UNLOCK position. Ensure no continuity exists with switch in OFF position. If continuity is not as specified, replace switch and retest system.